1、Carrier frequency 0KHz-16.0KHz, continuously adjustable, reduce the noise of motor engine to the utmost. 2、Low consumption, made of premium ABS material, antiflaming, moisture and corrision proof, salt-spray resistant. 3、Protect motor engine from overload, overheat, overvoltage, overcurrent, low-voltage, open-phase, short circuit and stalling. 4、Automatic voltage regulation, three modes available, you can choose dynamic regulation, static regulation or not-regulated voltage. 5、Widly applied to construction site, factory, living area, hotel, market escalator, sewage disposal plant, fire station, hospital and etc. Features: 1.Carrier frequency 1.0KHz- 16.0KHz, continuously adjustable, reduce the noise of motor engine to the utmost. 2.Low consumption, made of premium ABS material, antiflaming, moisture and corrision proof, salt-spray resistant. 3.Protect motor engine from overload, overheat, overvoltage, overcurrent, low-voltage, open-phase, short circuit and stalling. 4.Automatic voltage regulation, three modes available, you can choose dynamic regulation,  static regulation or not-regulated voltage. 5.Widly applied to construction site, factory, living area, hotel, market escalator, sewage disposal plant, fire station, hospital and etc.   Specifications: Item Type: Frequency Inverter Material: ABS Size: 23*18* 22.5cm/ 9.1* 7.1* 8.9inch Weight: 1.281kg Voltage Change Range Single-phase: AC160V-260V Output Frequency Range: Low Mode 0-300Hz, High Mode 0-3000Hz Overload Capacity: 110%, 150% 1 minute, 180% 5 seconds Control Mode: V/F, Advanced V/F, V/F Seperated Control, Open Loop Current Vector Control Frequency Setting Resolution: 0.01Hz   Package List: 1* Frequency Inverter 1* Manual